On Wed, Mar 16, 2016 at 02:36:55PM +0000, Ciara Loftus wrote: > This commit allows for vHost memory from QEMU, DPDK and OVS, as well > as the servicing PMD, to all come from the same socket. > > DPDK v2.2 introduces a new configuration option: > CONFIG_RTE_LIBRTE_VHOST_NUMA. If enabled, DPDK detects the socket > from which a vhost device's memory has been allocated by QEMU, and > accordingly reallocates device memory managed by DPDK to that same > socket. > > OVS by default sets the socket id of a vhost port to that of the > master lcore. This commit introduces the ability to update the > socket id of the port if it is detected (during VM boot) that the > port memory is not on the default NUMA node. If this is the case, the > mempool of the port is also changed to the new node, and a PMD > thread currently servicing the port will no longer, in favour of a > thread from the new node (if enabled in the CPU mask). > > Signed-off-by: Ciara Loftus <ciara.lof...@intel.com>
The change below to acinclude.m4 makes it appear that libnuma is now mandatory for building with DPDK support, but I did not notice any update to INSTALL.DPDK.md to explain that the user must now install libnuma. > diff --git a/acinclude.m4 b/acinclude.m4 > index 74f0494..e06ace9 100644 > --- a/acinclude.m4 > +++ b/acinclude.m4 > @@ -195,7 +195,7 @@ AC_DEFUN([OVS_CHECK_DPDK], [ > found=false > save_LIBS=$LIBS > for extras in "" "-ldl"; do > - LIBS="$DPDK_LIB $extras $save_LIBS $DPDK_EXTRA_LIB" > + LIBS="$DPDK_LIB $extras $save_LIBS $DPDK_EXTRA_LIB -lnuma" > AC_LINK_IFELSE( > [AC_LANG_PROGRAM([#include <rte_config.h> > #include <rte_eal.h>], I didn't otherwise review the patch. Thanks, Ben. _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
